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Finding the Fourth Proportional to 367,512.61, 550,465.18 and 260,572.41

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Solution

The fourth proportional to 367,512.61, 550,465.18 and 260,572.41 is: 390,288.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,512.61 : 550,465.18 = 260,572.41 : x
  2. Step 2: Convert to fraction form
    367,512.61/550,465.18 = 260,572.41/x
  3. Step 3: Cross multiply
    367,512.61x = 550,465.18 × 260,572.41
  4. Step 4: Simplify right side
    367,512.61x = 143,436,038,573.68
  5. Step 5: Solve for x
    x = 143,436,038,573.68/367,512.61
  6. Step 6: Final answer
    x = 390,288.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.